How To Use Portqry May 2026

TCP port 80 (http service): LISTENING If the web server returns an HTTP response, you might also see:

When a service won’t connect, the first question is often: “Is the port even open?” While tools like telnet and Test-NetConnection work, PortQry offers a more detailed, faster, and scriptable alternative—especially for Windows administrators. how to use portqry

TCP port 21 (ftp service): LISTENING TCP port 23 (telnet service): FILTERED TCP port 25 (smtp service): LISTENING portqry -n 8.8.8.8 -p udp -e 53 PortQry sends a DNS query and validates the response. 5. Query a Local Computer portqry -n 127.0.0.1 -p tcp -e 445 Understanding PortQry’s Three Results PortQry reports one of three states: TCP port 80 (http service): LISTENING If the

HTTP response: 200 OK portqry -n server01 -p tcp -e 3389 3. Scan a Range of Ports portqry -n 10.0.0.25 -p tcp -r 20..25 Output: Query a Local Computer portqry -n 127

portqry -n dc01 -p tcp -o ldap Other built-in service names: netbios , smtp , http , rpc , sql . This is a PortQry superpower: